> MSI/MSIX is the favorite interrupt for PCIe device. PCIe usb HCD should> be used more and more in future, but current USB core still just wants> line IRQ, only XHCI usb driver enabled MSI/MSIX.> > This patch enabled pci MSI/MSIX in usb core for HCD, and removed MSI/MSIX> setup code from XHCI since it becomes redundant now.> There 2 places need prepare to enable MSI/MSIX in usb driver.> 1, set HCD_MSI_FIRST in driver->flags to enable MSI/MSIX.> 2, prepare a get_msix_num() for specific drivers.> XHCI is a good example for this.> > This patch bases on my "USB-try-MSI-before-legacy-irq-on-pci-xhci-HCD"> patch.

Gregkh&Alan:

Do you need a full patch that include my recent MSI setup/bug fixpatches? or just this one is ok?